45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*******************************************************************************
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* @note Copyright (C) 2018 Shanghai Panchip Microelectronics Co., Ltd.
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* All rights reserved.
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*
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* @file lib_driver_wdt_pan159.c
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* @brief PAN159 hardware wdtÇý¶¯
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*
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* @history - V1.0, 2018-01-19, huoweibin, first implementation.
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*******************************************************************************/
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#include "lib_driver_wdt_pan159.h"
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/**
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* @brief This function make WDT module start counting with different time-out interval
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* @param[in] u32TimeoutInterval Time-out interval period of WDT module. Valid values are:
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* - \ref WDT_TIMEOUT_2POW4 -- 1.6MS
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* - \ref WDT_TIMEOUT_2POW6 -- 6.4MS
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* - \ref WDT_TIMEOUT_2POW8 -- 25.6MS
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* - \ref WDT_TIMEOUT_2POW10 -- 102.4MS
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* - \ref WDT_TIMEOUT_2POW12 -- 409.6MS
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* - \ref WDT_TIMEOUT_2POW14 -- 1.6384S
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* - \ref WDT_TIMEOUT_2POW16 -- 6.5536S
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* - \ref WDT_TIMEOUT_2POW18 -- 26.214S
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*/
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void DrvWDT_Init(uint32_t u32TimeoutInterval)
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{
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SYS_UnlockReg();
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CLK->CLKSEL1 |= 0x00000003;
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SystemCoreClockUpdate();
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WDT->CTL = u32TimeoutInterval | WDT_CTL_WDTEN_Msk |
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(TRUE << WDT_CTL_RSTEN_Pos) |
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(FALSE << WDT_CTL_WKEN_Pos);
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WDT->ALTCTL = WDT_RESET_DELAY_3CLK;
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}
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void DrvWDT_Feed(void)
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{
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WDT_RESET_COUNTER();
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}
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void DrvWDT_close(void)
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{
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WDT->CTL = 0;
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}
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